:root {
  color-scheme: dark;
  --bg: #050711;
  --bg-2: #090d19;
  --panel: rgba(10, 16, 31, 0.68);
  --panel-strong: rgba(13, 20, 38, 0.88);
  --text: #f6f8ff;
  --muted: #a7b4cb;
  --subtle: #6f7f9a;
  --line: rgba(255, 255, 255, 0.12);
  --line-strong: rgba(255, 255, 255, 0.2);
  --cyan: #4be8ff;
  --violet: #9f7aff;
  --green: #80f3b4;
  --rose: #ff7aac;
  --amber: #ffd166;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
  --radius: 8px;
  --max: 1180px;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.032) 1px, transparent 1px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.026) 1px, transparent 1px),
    linear-gradient(180deg, #050711 0%, #08101d 44%, #050711 100%);
  background-size: 64px 64px, 64px 64px, auto;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}

body.nav-open {
  overflow: hidden;
}

body::selection {
  background: rgba(75, 232, 255, 0.26);
  color: var(--text);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

img,
svg,
canvas {
  display: block;
  max-width: 100%;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 999;
  transform: translateY(-140%);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 0.7rem 0.9rem;
  background: var(--panel-strong);
  color: var(--text);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.shell {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  padding: 16px 0;
  transition: background 200ms ease, border-color 200ms ease, padding 200ms ease;
}

.site-header.is-scrolled {
  border-bottom: 1px solid var(--line);
  background: rgba(5, 7, 17, 0.78);
  padding: 10px 0;
  backdrop-filter: blur(18px);
}

.nav {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 20px;
  align-items: center;
}

.brand,
.nav__menu,
.nav__cta,
.nav-toggle {
  border: 1px solid var(--line);
  background: rgba(8, 12, 24, 0.58);
  backdrop-filter: blur(18px);
  box-shadow: 0 14px 44px rgba(0, 0, 0, 0.24);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border-radius: 999px;
  padding: 7px 14px 7px 7px;
  min-height: 46px;
  position: relative;
  overflow: hidden;
}

.brand::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(75, 232, 255, 0.12), transparent 50%, rgba(159, 122, 255, 0.08));
  opacity: 0;
  transition: opacity 240ms ease;
}

.brand:hover::after {
  opacity: 1;
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  color: #02040a;
  font-family: "Space Grotesk", Inter, sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  box-shadow: 0 0 18px rgba(75, 232, 255, 0.35);
}

.brand__text {
  font-weight: 700;
  white-space: nowrap;
}

.nav__menu {
  justify-self: center;
  display: inline-flex;
  gap: 6px;
  align-items: center;
  border-radius: 999px;
  padding: 6px;
}

.nav__menu a {
  border-radius: 999px;
  padding: 10px 13px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 600;
  transition: color 160ms ease, background 160ms ease;
}

.nav__menu a:hover,
.nav__menu a:focus-visible {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.nav__cta,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border-radius: 999px;
  padding: 0.8rem 1rem;
  font-weight: 800;
  line-height: 1;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.nav__cta {
  color: #041018;
  background: linear-gradient(135deg, var(--cyan), var(--green));
  box-shadow: 0 0 24px rgba(75, 232, 255, 0.18);
}

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  place-items: center;
  border-radius: 50%;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  transition: transform 180ms ease;
}

.nav-toggle span + span {
  margin-top: 5px;
}

.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

.hero {
  position: relative;
  display: grid;
  min-height: 100svh;
  overflow: hidden;
  isolation: isolate;
}

.hero__canvas,
.hero__shade,
.hero__grid {
  position: absolute;
  inset: 0;
}

.hero__canvas {
  width: 100%;
  height: 100%;
  z-index: -4;
  background: radial-gradient(circle at center, rgba(12, 20, 38, 0.88), rgba(3, 5, 13, 1));
}

.hero__shade {
  z-index: -3;
  background:
    linear-gradient(90deg, rgba(5, 7, 17, 0.95) 0%, rgba(5, 7, 17, 0.74) 43%, rgba(5, 7, 17, 0.24) 100%),
    linear-gradient(180deg, rgba(5, 7, 17, 0.16) 0%, rgba(5, 7, 17, 0.94) 100%);
}

.hero__grid {
  z-index: -2;
  opacity: 0.22;
  background:
    linear-gradient(90deg, rgba(75, 232, 255, 0.14) 1px, transparent 1px),
    linear-gradient(180deg, rgba(159, 122, 255, 0.11) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: linear-gradient(180deg, transparent, #000 22%, #000 72%, transparent);
}

.hero__content {
  position: relative;
  z-index: 1;
  align-self: end;
  width: min(calc(100% - 40px), var(--max));
  padding: 160px 0 72px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--cyan);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  font-family: "Space Grotesk", Inter, sans-serif;
  line-height: 1.02;
  letter-spacing: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: 5rem;
  background: linear-gradient(135deg, var(--text) 0%, var(--cyan) 50%, var(--violet) 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 32px rgba(75, 232, 255, 0.12));
}

h2 {
  margin-bottom: 0;
  font-size: 3rem;
}

h3 {
  margin-bottom: 14px;
  font-size: 1.35rem;
}

.hero__lead {
  max-width: 680px;
  margin-bottom: 34px;
  color: #d5def1;
  font-size: 1.18rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 52px;
}

.btn {
  border: 1px solid var(--line-strong);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.12), transparent 60%);
  opacity: 0;
  transition: opacity 200ms ease;
}

.btn:hover::before,
.btn:focus-visible::before {
  opacity: 1;
}

.btn--primary {
  color: #041018;
  background: linear-gradient(135deg, var(--cyan), var(--green));
  box-shadow: 0 20px 60px rgba(75, 232, 255, 0.24);
}

.btn--ghost {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(18px);
}

.btn--full {
  width: 100%;
}

.btn:hover,
.btn:focus-visible,
.nav__cta:hover,
.nav__cta:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.34);
}

.btn--primary:hover,
.btn--primary:focus-visible,
.nav__cta:hover,
.nav__cta:focus-visible {
  box-shadow: 0 24px 72px rgba(75, 232, 255, 0.32);
}

.hero__metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 820px;
  margin: 0;
}

.hero__metrics div,
.glass-card,
.service-card,
.project-card,
.contact-form {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
}

.hero__metrics div::after,
.glass-card::after,
.service-card::after,
.project-card::after,
.contact-form::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(75, 232, 255, 0.28), transparent 40%, rgba(159, 122, 255, 0.18));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0;
  transition: opacity 240ms ease;
}

.hero__metrics div:hover::after,
.glass-card:hover::after,
.service-card:hover::after,
.project-card:hover::after {
  opacity: 1;
}

.hero__metrics div {
  min-height: 104px;
  padding: 18px;
  transition: transform 200ms ease, box-shadow 200ms ease;
}

.hero__metrics div:hover {
  transform: translateY(-3px);
  box-shadow: 0 28px 88px rgba(0, 0, 0, 0.48), 0 0 32px rgba(75, 232, 255, 0.08);
}

.hero__metrics dt {
  margin-bottom: 6px;
  color: var(--text);
  font-size: 1.35rem;
  font-weight: 800;
}

.hero__metrics dd {
  margin: 0;
  color: var(--muted);
}

.section {
  position: relative;
  padding: 112px 0;
  scroll-margin-top: 96px;
}

.section--about {
  padding-top: 132px;
}

.section--projects,
.section--contact {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.025), rgba(255, 255, 255, 0));
}

.section__grid,
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  gap: 64px;
  align-items: start;
}

.section-heading {
  max-width: 720px;
}

.section-heading--center {
  margin-bottom: 46px;
  text-align: center;
}

.section-heading--center h2 {
  margin-inline: auto;
}

.section-copy {
  color: #d7deed;
  font-size: 1.05rem;
}

.section-copy p:last-child,
.contact-copy p:last-child {
  margin-bottom: 0;
}

.strengths,
.services-grid,
.project-list,
.tech-grid {
  margin-top: 46px;
}

.strengths {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.glass-card,
.service-card,
.project-card {
  position: relative;
  overflow: hidden;
}

.glass-card::before,
.service-card::before,
.project-card::before,
.contact-form::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(75, 232, 255, 0.18), transparent 36%, rgba(255, 122, 172, 0.1));
  opacity: 0;
  transition: opacity 180ms ease;
}

.glass-card:hover::before,
.service-card:hover::before,
.project-card:hover::before {
  opacity: 1;
}

.glass-card {
  min-height: 246px;
  padding: 24px;
  transition: transform 200ms ease, box-shadow 200ms ease;
}

.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 28px 88px rgba(0, 0, 0, 0.48), 0 0 40px rgba(75, 232, 255, 0.06);
}

.card-index {
  display: inline-flex;
  margin-bottom: 54px;
  color: var(--cyan);
  font-weight: 800;
}

.glass-card p,
.service-card p,
.project-card p,
.contact-copy p {
  color: var(--muted);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.service-card {
  min-height: 100%;
  padding: 26px;
  transition: transform 200ms ease, box-shadow 200ms ease;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 28px 88px rgba(0, 0, 0, 0.48), 0 0 40px rgba(75, 232, 255, 0.06);
}

.service-card__icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  margin-bottom: 26px;
  border: 1px solid rgba(75, 232, 255, 0.34);
  border-radius: var(--radius);
  color: #061018;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  font-weight: 900;
  box-shadow: 0 0 22px rgba(75, 232, 255, 0.22);
}

.service-card__icon--green {
  background: linear-gradient(135deg, var(--green), var(--amber));
  box-shadow: 0 0 22px rgba(128, 243, 180, 0.22);
}

.service-card__icon--rose {
  background: linear-gradient(135deg, var(--rose), var(--violet));
  box-shadow: 0 0 22px rgba(255, 122, 172, 0.22);
}

.service-card ul {
  display: grid;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.service-card li {
  position: relative;
  padding-left: 20px;
  color: #d7deed;
}

.service-card li::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 18px rgba(75, 232, 255, 0.72);
}

.project-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.project-card {
  display: grid;
  min-height: 344px;
  padding: 28px;
  transition: transform 200ms ease, box-shadow 200ms ease;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 28px 88px rgba(0, 0, 0, 0.48), 0 0 40px rgba(75, 232, 255, 0.06);
}

.project-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-self: start;
  margin-bottom: 48px;
}

.project-card__meta span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 10px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.04);
  font-size: 0.86rem;
  font-weight: 700;
}

.project-card__metrics {
  display: grid;
  gap: 2px;
  align-self: end;
  margin-top: 26px;
}

.project-card__metrics strong {
  color: var(--green);
  font-family: "Space Grotesk", Inter, sans-serif;
  font-size: 2.15rem;
  line-height: 1;
}

.project-card__metrics span {
  color: var(--muted);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 12px;
}

.tech-item {
  display: grid;
  place-items: center;
  gap: 10px;
  min-height: 126px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 8px;
  background: rgba(255, 255, 255, 0.045);
  color: #dce5f5;
  font-weight: 700;
  text-align: center;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.tech-item span {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(75, 232, 255, 0.92), rgba(159, 122, 255, 0.92));
  color: #02040a;
  font-size: 0.8rem;
  font-weight: 900;
  box-shadow: 0 0 14px rgba(75, 232, 255, 0.2);
}

.tech-item:hover,
.tech-item:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(75, 232, 255, 0.45);
  background: rgba(75, 232, 255, 0.08);
  box-shadow: 0 8px 32px rgba(75, 232, 255, 0.12);
}

.contact-layout {
  align-items: center;
}

.contact-copy h2 {
  margin-bottom: 24px;
}

.contact-copy p {
  max-width: 620px;
  font-size: 1.08rem;
}

.contact-links {
  display: grid;
  gap: 10px;
  margin-top: 30px;
}

.contact-links a,
.contact-links span {
  width: fit-content;
  color: #dfe7f5;
  font-weight: 800;
}

.contact-links a {
  border-bottom: 1px solid rgba(75, 232, 255, 0.46);
}

.contact-form {
  position: relative;
  display: grid;
  gap: 18px;
  padding: 26px;
}

.form-row {
  display: grid;
  gap: 8px;
}

.form-row label {
  color: #dce5f5;
  font-size: 0.94rem;
  font-weight: 800;
}

.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.95rem 1rem;
  color: var(--text);
  background: rgba(255, 255, 255, 0.055);
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.form-row textarea {
  min-height: 144px;
  resize: vertical;
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  border-color: rgba(75, 232, 255, 0.72);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 4px rgba(75, 232, 255, 0.12);
}

.form-status {
  min-height: 1.2em;
  margin: 0;
  color: var(--green);
  font-weight: 700;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0;
  color: var(--muted);
  background: rgba(5, 7, 17, 0.68);
  backdrop-filter: blur(12px);
}

.site-footer .shell {
  display: flex;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: var(--cyan);
  font-weight: 800;
}

html.reveal-enabled [data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 620ms ease, transform 620ms ease;
}

html.reveal-enabled [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

:focus-visible {
  outline: 3px solid rgba(75, 232, 255, 0.82);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 1ms !important;
    animation-duration: 1ms !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 1024px) {
  h1 {
    font-size: 4rem;
  }

  h2 {
    font-size: 2.45rem;
  }

  .nav {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }

  .nav__menu,
  .nav__cta {
    display: none;
  }

  .nav-toggle {
    display: inline-grid;
    grid-auto-rows: 2px;
    gap: 5px;
    justify-self: end;
    border-color: rgba(75, 232, 255, 0.34);
    background: rgba(8, 12, 24, 0.86);
  }

  .nav-toggle span + span {
    margin-top: 0;
  }

  .nav__menu {
    position: fixed;
    top: 78px;
    right: 20px;
    left: 20px;
    display: grid;
    transform: translateY(-12px);
    padding: 12px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 180ms ease, transform 180ms ease;
  }

  .nav__menu.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav__menu a {
    padding: 14px;
  }

  .section__grid,
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .strengths {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .tech-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  body {
    font-size: 15px;
  }

  .shell {
    width: min(calc(100% - 40px), var(--max));
  }

  .brand__text {
    display: none;
  }

  .hero {
    min-height: 100svh;
  }

  .hero__content {
    width: min(calc(100% - 40px), var(--max));
    padding: 132px 0 42px;
  }

  h1 {
    font-size: 3rem;
  }

  h2 {
    font-size: 2rem;
  }

  .hero__lead {
    font-size: 1rem;
  }

  .hero__actions,
  .site-footer .shell {
    align-items: stretch;
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .hero__metrics,
  .strengths,
  .project-list {
    grid-template-columns: 1fr;
  }

  .hero__metrics div {
    min-height: auto;
  }

  .section {
    padding: 78px 0;
  }

  .section--about {
    padding-top: 88px;
  }

  .glass-card {
    min-height: 210px;
  }

  .card-index {
    margin-bottom: 34px;
  }

  .project-card {
    min-height: 300px;
  }

  .project-card__meta {
    margin-bottom: 34px;
  }

  .tech-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .shell,
  .hero__content {
    width: min(calc(100% - 40px), 350px);
    margin-left: 20px;
    margin-right: auto;
  }
}

@media (max-width: 420px) {
  h1 {
    font-size: 2.45rem;
  }

  .project-card,
  .service-card,
  .glass-card,
  .contact-form {
    padding: 20px;
  }
}